1. Aliweh, A. (1989). The short- and long-term effect of communication strategy instruction on the speaking proficiency of Egyptian College students. PhD Dissertation, State University of New York at Buffalo.
2. Bachman, L. F. (1990). Fundamental considerations in language testing. Oxford: Oxford University Press.
3. Bachman, L. F., & Palmer, A. S. (1996). Language testing in practice. Oxford: Oxford University Press.
4. Binhayeearong, T. (2009). Communication strategies: A study of students with high and low english proficiency in the M.3 English Program at Attarkiah Islamiah School. MA thesis. Prince of Songkla University. Retrieved from: http://kb.psu.ac.th/psukb/bitstream/2010/5866/1/311751.pdf
5. Bialystok, E. (1990). Communication strategies: A psychological analysis of second language use. Oxford: Blackwell.